[填空题]
The tires of a car makakaz7d9 z*wk0 e 65 zt01tew/hm .px + o8svrevolutions as the car reduces its speed uniformly from 95km/h to 45km/h The .08m1 xpehtwv/+stzotires have a diameter of 0.80 m. (a) What was the angular acceleration of the tires? $\approx$ $rad/s^2$ (b) If the car continues to decelerate at this rate, how much more time is required for it to stop? s